Whatsoever is contrary to nature is contrary to reason, and whatsoever is contrary to reason is absurd.

Whatsoever is contrary to nature is contrary to reason, and whatsoever is contrary to reason is absurd.

任何违背自然的都是违背理性的，任何违背理性的都是荒谬的。

-- Baruch Spinoza 斯宾诺莎